leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

xtensa/PCI: get rid of device resource fixups

Browse Source 
Tell the PCI core about host bridge address translation so it can take
care of bus-to-resource conversion for us.

CC: Chris Zankel <chris@zankel.net>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2012-02-23 20:19:04 -07:00
parent ac1edcc579
commit 4ba2aef315
1 changed files with 1 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
arch/xtensa/kernel/pci.c
View File

@ -153,7 +153,7 @@ static void __init pci_controller_apertures(struct pci_controller *pci_ctrl,
}
res->start += io_offset;
res->end += io_offset;
pci_add_resource(resources, res);
pci_add_resource_offset(resources, res, io_offset);
for (i = 0; i < 3; i++) {
res = &pci_ctrl->mem_resources[i];
@ -200,24 +200,9 @@ subsys_initcall(pcibios_init);
void __init pcibios_fixup_bus(struct pci_bus *bus)
{
struct pci_controller *pci_ctrl = bus->sysdata;
struct resource *res;
unsigned long io_offset;
int i;
io_offset = (unsigned long)pci_ctrl->io_space.base;
if (bus->parent) {
/* This is a subordinate bridge */
pci_read_bridge_bases(bus);
for (i = 0; i < 4; i++) {
if ((res = bus->resource[i]) == NULL || !res->flags)
continue;
if (io_offset && (res->flags & IORESOURCE_IO)) {
res->start += io_offset;
res->end += io_offset;
}
}
}
}